View Monthly Charts

The following tables present IEM computed monthly data summaries based on daily data provided by or computed for the IEM. A download interface exists for the daily summary information. The climatology is provided by the nearest NCEI climate station (USC00215842) within the current 1991-2020 dataset.

To load shown data into Microsoft Excel, highlight the table information with your mouse and then copy/paste into Excel.

Precipitation Totals [inch]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	M	M	2.61	3.72	4.42	2.23	0.12
2006	0.10	0.01	0.62	3.26	0.95	2.89	0.39	0.46	1.39	0.18	0.20	0.14
2007	0.00	0.08	0.23	0.15	0.16	0.12	0.06	0.15	0.13	0.00	0.00	0.02
2008	0.00	0.03	0.22	2.09	3.28	3.70	3.88	3.11	4.65	3.48	1.87	0.16
2009	0.12	0.29	4.59	0.81	0.99	3.74	4.32	8.47	1.27	6.13	0.01	0.09
2010	0.72	0.01	1.00	0.95	1.68	6.06	3.06	8.02	4.91	2.23	0.21	0.97
2011	0.03	0.03	1.47	1.83	5.11	4.38	10.22	4.34	0.84	0.64	0.00	0.03
2012	0.03	0.57	1.27	2.36	7.40	3.52	1.95	1.47	0.08	0.23	0.92	0.39
2013	0.06	0.37	1.30	0.70	4.09	6.84	2.00	1.60	2.35	3.16	0.09	0.12
2014	0.02	0.13	0.42	2.50	2.10	9.22	1.07	8.49	2.38	0.37	0.35	0.73
2015	0.04	M	0.18	1.98	4.90	4.30	7.64	7.49	1.02	1.90	2.27	0.80
2016	0.08	0.36	1.36	1.34	2.86	6.21	8.26	4.05	3.82	2.22	1.18	0.39
2017	0.37	0.56	0.15	1.70	3.94	1.06	0.62	0.33	0.32	2.44	0.28	0.02
2018	M	0.16	0.31	0.21	1.19	5.88	7.13	6.61	3.92	3.91	0.61	0.39
2019	0.04	0.02	1.93	2.49	6.55	6.10	4.04	4.31	8.45	4.35	0.26	1.09
2020	0.11	0.01	1.96	0.54	0.93	2.94	6.99	5.42	1.11	0.62	1.05	M
2021	0.07	0.02	1.79	1.21	1.89	0.29	1.73	14.14	51.39	5.71	0.93	1.06
2022	0.37	M	1.48	4.08	12.76	1.00	3.77	5.17	2.23	0.82	1.67	1.09
2023	0.56	1.09	1.33	4.52	1.31	1.84	2.64	2.53	4.33	5.36	0.10	4.47
2024	M	0.75	0.54	7.97	4.64	7.36	8.44	7.51	0.41	0.59	3.28	0.10
2025	M	M	1.94	2.13	4.47	10.74	6.86	4.62	5.73	1.97	0.50	0.23
2026	M	0.21	0.82	3.52	1.41	5.18	M	M	M	M	M	M
NCEI Climatology	0.87	1.02	1.84	3.05	3.53	4.89	4.15	3.53	3.47	2.60	1.58	0.90

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	M	M	5.3	6.7	7.3	8.9	6.9
2006	8.7	7.9	8.2	9.3	9.0	6.5	6.5	6.5	7.4	9.4	7.1	8.2
2007	8.6	8.3	8.6	9.0	10.2	8.2	6.4	6.2	8.9	8.6	9.6	6.5
2008	7.5	7.4	8.3	9.4	8.9	8.0	6.5	6.7	7.3	8.1	8.0	9.1
2009	8.1	9.2	8.9	8.8	9.3	6.8	6.8	6.4	5.3	7.2	6.3	7.4
2010	6.7	5.7	7.2	8.2	8.4	6.9	6.6	7.4	7.9	8.0	9.4	8.0
2011	7.3	9.7	8.5	10.1	9.9	8.6	5.8	5.4	6.2	8.0	8.0	7.4
2012	8.7	7.2	8.3	8.8	7.9	6.0	5.1	4.6	5.8	7.7	7.6	5.6
2013	8.4	6.8	7.8	9.2	8.8	6.6	5.5	4.2	6.6	7.6	8.9	7.1
2014	9.6	8.2	7.3	9.2	7.3	7.8	7.1	5.2	7.0	8.5	9.5	8.2
2015	8.6	8.9	9.0	10.0	8.4	6.0	6.8	6.9	6.7	8.2	9.1	8.0
2016	7.0	8.9	8.1	10.2	7.7	8.3	6.5	5.4	7.4	8.0	7.1	10.9
2017	7.7	9.2	9.5	8.4	8.3	7.8	5.6	5.5	7.2	8.9	8.7	8.4
2018	8.2	7.7	8.3	8.1	6.5	7.3	5.6	5.3	7.2	8.3	8.2	7.0
2019	7.4	7.0	7.8	8.4	8.0	6.6	4.9	5.3	7.2	9.2	8.4	6.9
2020	7.7	7.7	8.5	8.2	7.7	8.4	5.1	5.7	6.0	8.0	8.8	7.5
2021	6.8	6.9	8.9	8.9	7.4	6.6	5.5	6.7	6.7	6.9	8.5	7.9
2022	8.2	9.8	9.3	12.3	8.8	8.6	6.6	5.5	5.8	7.6	9.1	9.0
2023	6.4	7.9	8.4	9.3	8.2	5.7	4.9	5.8	5.8	7.7	7.3	6.5
2024	7.3	8.0	8.9	10.3	8.0	7.1	5.1	5.8	6.2	7.5	8.6	7.1
2025	9.0	8.0	8.2	8.7	7.5	6.8	5.0	5.1	5.2	8.5	7.6	8.2
2026	7.9	7.8	8.4	9.3	8.5	7.3	M	M	M	M	M	M
NCEI Climatology	M	M	M	M	M	M	M	M	M	M	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	M	M	76.30	73.73	58.71	40.94	22.71
2006	31.65	23.26	37.92	60.50	68.75	77.78	86.35	79.26	66.38	53.48	43.58	36.24
2007	26.60	20.87	42.86	52.28	71.19	79.04	82.86	77.00	72.56	58.65	39.68	20.33
2008	18.30	20.46	32.17	49.46	62.83	72.44	81.18	79.03	68.90	56.10	39.29	19.98
2009	14.63	25.55	35.79	53.11	69.54	73.37	75.85	74.80	73.04	46.43	48.37	19.60
2010	16.26	22.56	44.81	63.03	67.68	74.75	82.43	81.91	65.93	60.54	39.15	18.25
2011	14.42	22.33	31.60	51.35	64.25	74.35	83.08	77.60	69.70	61.36	43.21	33.30
2012	29.63	32.50	52.81	57.13	70.62	79.33	86.24	79.19	73.39	53.70	40.93	25.38
2013	21.62	22.84	29.37	42.83	64.41	74.18	80.91	81.46	75.01	53.02	38.68	16.18
2014	16.21	14.52	30.94	48.73	63.45	72.38	75.82	76.05	66.79	54.73	26.76	25.07
2015	21.82	15.66	40.12	55.47	63.06	74.08	78.85	75.55	76.14	60.14	46.95	31.48
2016	22.01	30.24	47.14	54.95	69.94	78.29	79.44	78.94	71.38	57.97	49.08	24.17
2017	23.94	35.91	39.81	56.36	65.42	78.45	82.45	75.08	73.54	57.63	39.12	23.89
2018	23.53	22.84	37.38	44.70	76.48	77.92	80.47	78.92	70.74	50.10	31.70	30.01
2019	16.95	14.97	34.61	51.69	62.57	76.82	80.43	76.27	71.78	50.45	34.42	26.42
2020	23.47	27.33	40.72	53.10	66.46	82.67	82.59	79.99	67.40	49.13	45.32	31.30
2021	27.01	16.53	46.40	53.72	68.23	85.46	84.66	80.54	75.26	60.92	41.90	27.53
2022	17.14	19.79	35.48	43.88	66.78	80.84	82.81	78.10	72.44	59.93	38.00	20.74
2023	22.13	26.02	30.84	47.78	74.15	83.06	80.89	80.37	75.56	56.56	44.42	36.82
2024	22.59	36.84	42.10	55.40	69.63	75.62	79.96	76.77	78.14	64.23	40.22	27.35
2025	21.32	21.65	45.82	54.08	69.57	75.50	80.31	77.23	74.24	60.74	43.04	25.55
2026	18.99	32.06	44.31	51.43	69.05	77.19	M	M	M	M	M	M
NCEI Climatology	20.30	25.38	38.00	54.09	68.30	77.50	81.60	79.70	72.10	56.50	39.40	25.01

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	M	M	53.70	51.53	37.86	23.90	10.52
2006	17.83	3.65	24.51	39.02	48.08	55.76	61.44	57.66	47.12	31.94	21.92	19.57
2007	11.50	3.65	26.37	31.70	47.45	55.52	59.29	56.15	47.96	40.25	23.24	3.95
2008	-0.86	2.27	16.61	30.56	41.06	51.68	56.97	54.76	46.88	35.95	23.38	-3.09
2009	-7.21	7.09	19.35	33.07	41.73	52.27	53.69	54.93	51.49	33.66	28.40	6.02
2010	0.56	1.23	26.73	38.24	44.70	55.33	59.40	60.76	46.36	36.48	23.05	3.12
2011	-3.18	2.72	13.88	33.28	45.55	56.24	64.56	57.29	46.07	40.07	23.91	16.03
2012	10.96	14.09	32.75	36.94	49.47	57.12	65.64	55.12	42.58	33.42	24.50	7.15
2013	2.35	3.20	10.85	28.44	44.68	56.30	59.86	57.10	51.42	35.74	18.78	-0.32
2014	-6.26	-6.87	13.71	31.08	45.17	56.15	53.55	57.39	46.54	33.47	9.70	14.42
2015	6.07	-2.73	19.61	31.60	42.04	52.97	56.28	55.06	55.12	38.69	29.89	20.03
2016	5.70	14.74	29.89	35.92	45.71	56.46	59.96	58.26	52.14	39.68	31.37	10.12
2017	8.57	19.00	21.05	35.96	44.13	53.77	58.96	54.27	51.94	37.92	21.92	7.72
2018	4.98	-2.63	21.85	22.90	50.57	59.77	59.31	59.86	52.33	33.56	17.18	13.88
2019	-0.19	-3.51	17.89	33.14	41.56	56.32	61.51	56.34	52.37	34.84	21.52	8.85
2020	8.41	5.34	26.01	29.81	44.94	58.74	62.31	59.30	46.50	30.84	26.48	13.19
2021	12.90	1.93	28.23	33.50	44.72	58.52	60.28	59.41	50.42	42.57	24.26	8.95
2022	-7.43	-4.39	19.98	29.72	47.21	57.62	60.97	58.19	50.18	35.43	22.58	6.86
2023	6.63	2.88	11.39	29.66	48.61	59.00	56.10	58.71	54.14	38.85	23.06	24.10
2024	10.81	19.21	21.03	35.90	46.98	55.22	60.05	57.26	52.40	39.32	26.96	14.41
2025	0.76	-0.01	24.51	32.72	45.88	56.18	61.03	58.83	53.30	41.99	24.02	5.12
2026	1.40	15.09	23.93	31.94	43.79	56.52	M	M	M	M	M	M
NCEI Climatology	1.40	4.88	17.40	31.31	45.50	56.69	61.30	59.31	49.91	35.30	22.39	8.49

Average Daily Temperature (high+low)/2 [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	M	M	65.00	62.63	48.29	32.42	16.61
2006	24.74	13.45	31.22	49.76	58.42	66.77	73.89	68.46	56.75	42.71	32.75	27.91
2007	19.05	12.26	34.61	41.99	59.32	67.28	71.08	66.58	60.26	49.45	31.46	12.14
2008	8.72	11.36	24.39	40.01	51.95	62.06	69.07	66.90	57.89	46.02	31.33	8.44
2009	3.71	16.32	27.57	43.09	55.63	62.82	64.77	64.87	62.26	40.04	38.39	12.81
2010	8.41	11.90	35.77	50.63	56.19	65.04	70.91	71.34	56.14	48.51	31.10	10.68
2011	5.62	12.52	22.74	42.31	54.90	65.30	73.82	67.44	57.89	50.72	33.56	24.66
2012	20.29	23.30	42.78	47.03	60.05	68.22	75.94	67.15	57.98	43.56	32.71	16.27
2013	11.99	13.02	20.11	35.63	54.55	65.24	70.38	69.28	63.22	44.38	28.73	7.93
2014	4.97	3.83	22.32	39.90	54.31	64.27	64.69	66.72	56.67	44.10	18.23	19.74
2015	13.94	6.47	29.87	43.53	52.55	63.52	67.56	65.31	65.63	49.42	38.42	25.76
2016	13.85	22.49	38.52	45.43	57.83	67.38	69.70	68.60	61.76	48.82	40.22	17.15
2017	16.25	27.46	30.43	46.16	54.77	66.11	70.70	64.68	62.74	47.77	30.52	15.80
2018	14.25	10.10	29.61	33.80	63.53	68.85	69.89	69.39	61.54	41.83	24.44	21.94
2019	8.38	5.73	26.25	42.42	52.07	66.57	70.97	66.30	62.08	42.64	27.97	17.63
2020	15.94	16.34	33.37	41.45	55.70	70.70	72.45	69.64	56.95	39.98	35.90	22.25
2021	19.95	9.23	37.31	43.61	56.47	71.99	72.47	69.97	62.84	51.74	33.08	18.24
2022	4.85	7.70	27.73	36.80	57.00	69.23	71.89	68.15	61.31	47.68	30.29	13.80
2023	14.38	14.45	21.11	38.72	61.38	71.03	68.49	69.54	64.85	47.71	33.74	30.46
2024	16.70	28.03	31.56	45.65	58.30	65.42	70.00	67.01	65.27	51.77	33.59	20.88
2025	11.04	10.82	35.16	43.40	57.72	65.84	70.67	68.03	63.77	51.36	33.53	15.34
2026	10.20	23.58	34.12	41.68	56.42	66.85	M	M	M	M	M	M
NCEI Climatology	10.85	15.13	27.70	42.70	56.90	67.10	71.45	69.50	61.00	45.90	30.90	16.75

Average Relative Humidity [%]

This value is computed via a simple average of available observations weighted by the duration between observations.

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	M	M	68.8%	74.5%	77.3%	80.6%	88.7%
2006	87.2%	75.1%	78.1%	63.3%	66.6%	67.2%	64.8%	71.6%	77.0%	68.3%	71.3%	79.2%
2007	77.4%	74.5%	79.2%	63.6%	62.0%	64.6%	64.8%	74.3%	69.0%	74.6%	67.0%	84.6%
2008	79.0%	79.9%	77.4%	72.1%	61.6%	67.4%	67.0%	69.8%	76.1%	73.5%	78.9%	78.5%
2009	76.3%	77.3%	77.3%	63.1%	56.4%	70.6%	71.6%	79.0%	78.4%	85.5%	80.6%	82.6%
2010	82.2%	79.0%	74.0%	53.9%	64.6%	75.5%	72.9%	76.9%	76.9%	70.2%	76.4%	83.9%
2011	82.4%	78.9%	79.1%	71.8%	66.7%	71.5%	76.6%	78.4%	71.2%	67.2%	69.6%	75.0%
2012	77.7%	77.0%	76.9%	60.4%	64.3%	64.4%	69.9%	68.9%	52.6%	68.1%	77.0%	84.0%
2013	78.8%	81.6%	77.5%	73.9%	68.9%	71.8%	68.3%	71.2%	72.8%	77.6%	73.8%	80.3%
2014	74.8%	74.0%	73.1%	70.1%	66.6%	76.9%	75.2%	81.9%	81.2%	74.7%	82.4%	89.2%
2015	84.6%	75.3%	72.9%	60.1%	74.1%	75.7%	76.6%	79.1%	72.1%	71.2%	80.0%	91.9%
2016	85.9%	79.4%	76.9%	65.3%	60.3%	69.4%	77.2%	81.6%	79.5%	78.7%	82.9%	83.0%
2017	87.3%	77.5%	70.2%	71.2%	66.3%	62.9%	71.7%	81.2%	79.5%	74.7%	81.7%	81.6%
2018	80.3%	76.9%	77.3%	73.1%	63.4%	77.5%	79.4%	83.6%	79.3%	82.9%	87.4%	89.3%
2019	81.8%	83.9%	85.0%	77.5%	73.5%	71.4%	81.3%	82.0%	87.4%	80.7%	86.9%	90.4%
2020	89.5%	82.8%	84.0%	66.8%	65.1%	66.2%	81.1%	81.2%	80.0%	77.7%	81.5%	87.8%
2021	90.1%	82.4%	78.3%	72.3%	65.1%	58.5%	72.2%	77.5%	76.1%	82.4%	72.9%	80.1%
2022	76.1%	72.8%	72.3%	75.2%	66.8%	59.3%	72.8%	79.2%	74.9%	65.4%	77.2%	80.6%
2023	86.0%	78.1%	78.1%	73.4%	56.7%	65.1%	70.6%	75.7%	75.3%	77.7%	72.8%	83.8%
2024	83.7%	79.4%	62.8%	65.2%	65.5%	71.6%	78.3%	81.9%	70.7%	63.7%	83.9%	84.4%
2025	72.3%	73.1%	69.8%	65.7%	61.0%	76.7%	79.9%	81.5%	79.6%	73.2%	73.1%	81.8%
2026	76.8%	77.0%	75.0%	71.1%	55.7%	72.1%	M	M	M	M	M	M

Monthly Plots

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